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Originally Posted by answer20
Ah, the lovely variance discussion .. Found this online ..
Poker variance – also known as poker downswings – is essentially a period bad luck. It's the difference between how much you expect to win based on your win rate over the long run, and the short term results.
Not to be pedantic, but this is not variance as variance has a mathematical definition. This is a downswing, but I would agree that this is how a lot of people think when people discuss variance - but it's still wrong. Variance applies to upswings as well as downswing.
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IMO when a Player chooses to RIT a hand they are just creating 2 data points at half the value .. which affects the average and the mean values on a data graph.
Yes, and no. You get two data points at half value, but ignoring card removal affects, the mean and average (which are the same exact thing) will be unaffected by this decision. What is affected by this decision is the variance attributed to that hand as we are playing 2 pots for half value with the same equity. If we ran all of the cards and just took our equity payout then this hand would have even less variance, but the mean result in all cases will be the same.